Worn out. Play on

ReUSE A SHOE is Nike's initiative to recycle used shoes into surfaces to play. Old shoes are turned into grind that can be used in running tracks, playgrounds, soccer fields and basketball courts.

your old shoes...

...reincarnate as a basketball court

According to the site it takes 50,000-75,000 pairs to resurface a full field or soccer pitch but only 2,500 pairs for an outdoor basketball court.